Which of the following DNA repair systems is (are) most likely to function during the S phase of the cell cycle?

1. Nucleotide excision repair
2. mismatch repair

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Question

Which of the following DNA repair systems is (are) most likely to function during the S phase of the cell cycle?

1. Nucleotide excision repair
2. mismatch repair

Having trouble with this question!

anonymous · Answer

During the S phase, DNA is being replicated. Excision repair usually occurs when mutations occur. Mismatch repair occurs as the new strand is synthesized. I'm not 100% positive but that's what I've come up with.

anonymous · Answer

Here it is confirmed: http://www.sparknotes.com/biology/molecular/dnareplicationandrepair/section3.rhtml